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U.S. ROUTE 17 over DISMAL SWAMP CANAL

Map

Coordinates:
+36.45000, -76.33333
36°27'00" N, 76°19'60" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:U.S. ROUTE 17 over DISMAL SWAMP CANAL
Structure number:000000000000G14
Location:SOUTH MILLS
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Rural) [09]
Length of largest span:64.0 ft. [19.5 m]
Total length:129.6 ft. [39.5 m]
Roadway width between curbs:19.7 ft. [6.0 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Vertical clearance below bridge:3.3 ft. [1.0 m]
Owner:Corps of Engineers (Civil) [70]
Year built:1934
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:3,300 [as of 2012]
Truck traffic:7% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:73.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$350,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2016FairGoodSatisfactoryGood330073.7
September 2014FairGoodSatisfactoryGood330073.7
August 2014FairGoodSatisfactoryGood330073.7
September 2012GoodGoodGoodGood330073.7
August 2010GoodGoodGoodGood320074.7
September 2008FairGoodSatisfactoryFair320063.5
May 2006FairGoodSatisfactorySatisfactory320074.7
July 2004FairGoodSatisfactorySatisfactory320071.7
September 2002FairGoodSatisfactorySatisfactory330071.7
July 2000FairGoodSatisfactorySatisfactory330071.7
July 1998FairGoodSatisfactorySatisfactory330071.7
June 1998FairGoodSatisfactorySatisfactory330074.7
June 1996FairVery GoodSatisfactoryGood320071.7
July 1994FairVery GoodFairVery Good380043.4